From: Clone
The NCBI Handbook [Internet]. 2nd edition.
Bethesda (MD): National Center for Biotechnology Information (US); 2013-.
NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.
Figure 1.
Clone DB data model. A: Three different libraries are shown (large triangles). B: Libraries sharing user-defined attributes may be assigned a library group. C: Clones (small triangles) are always associated with a library. D: Library segments distinguish subsets of clones within a single library that share different sets of common attributes. Figure taken from (1).